272016745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 487710720

約数和(自身を除く): 215693975

約数列:

[1, 5, 7, 11, 13, 17, 23, 35, 55, 65, 77, 85, 91, 115, 119, 139, 143, 161, 187, 221, 253, 299, 385, 391, 455, 595, 695, 715, 805, 935, 973, 1001, 1105, 1265, 1309, 1495, 1529, 1547, 1771, 1807, 1955, 2093, 2363, 2431, 2737, 3197, 3289, 4301, 4865, 5005, 5083, 6545, 7645, 7735, 8855, 9035, 10465, 10703, 11815, 12155, 12649, 13685, 15985, 16445, 16541, 17017, 19877, 21505, 22379, 23023, 25415, 25993, 30107, 30719, 35167, 35581, 41561, 53515, 54349, 55913, 63245, 82705, 85085, 99385, 111895, 115115, 129965, 139139, 150535, 153595, 175835, 177905, 181951, 207805, 215033, 246169, 271745, 279565, 290927, 337909, 380443, 391391, 457171, 597839, 695695, 706537, 909755, 1075165, 1230845, 1454635, 1689545, 1902215, 1956955, 2285855, 2365363, 2989195, 3200197, 3532685, 4184873, 4945759, 7771907, 11826815, 16000985, 20924365, 24728795, 38859535, 54403349, 272016745]

約数ペア:

[(1, 272016745), (5, 54403349), (7, 38859535), (11, 24728795), (13, 20924365), (17, 16000985), (23, 11826815), (35, 7771907), (55, 4945759), (65, 4184873), (77, 3532685), (85, 3200197), (91, 2989195), (115, 2365363), (119, 2285855), (139, 1956955), (143, 1902215), (161, 1689545), (187, 1454635), (221, 1230845), (253, 1075165), (299, 909755), (385, 706537), (391, 695695), (455, 597839), (595, 457171), (695, 391391), (715, 380443), (805, 337909), (935, 290927), (973, 279565), (1001, 271745), (1105, 246169), (1265, 215033), (1309, 207805), (1495, 181951), (1529, 177905), (1547, 175835), (1771, 153595), (1807, 150535), (1955, 139139), (2093, 129965), (2363, 115115), (2431, 111895), (2737, 99385), (3197, 85085), (3289, 82705), (4301, 63245), (4865, 55913), (5005, 54349), (5083, 53515), (6545, 41561), (7645, 35581), (7735, 35167), (8855, 30719), (9035, 30107), (10465, 25993), (10703, 25415), (11815, 23023), (12155, 22379), (12649, 21505), (13685, 19877), (15985, 17017), (16445, 16541)]